Correction numero avenant en null

use Contrat\Service\TypeContratServiceAwareTrait;

use Doctrine\ORM\Exception\ORMException;

use Doctrine\ORM\OptimisticLockException;

use Doctrine\Persistence\Mapping\MappingException;

use Enseignement\Entity\Db\Service;

use Enseignement\Entity\Db\VolumeHoraire;

use Enseignement\Service\VolumeHoraireServiceAwareTrait;

use Exception;

use Lieu\Entity\Db\Structure;

use Lieu\Service\StructureServiceAwareTrait;

use LogicException;

use Mission\Entity\Db\Mission;

use Mission\Entity\Db\VolumeHoraireMission;

use Referentiel\Entity\Db\VolumeHoraireReferentiel;

use Service\Service\EtatVolumeHoraireServiceAwareTrait;

        $contrat->setFinValidite($dateFin);

        $contrat->setTypeContrat($informationContrat->getTypeContrat());

        $contrat->setNumeroAvenant($informationContrat->getNumeroAvenant());

        $contrat->setNumeroAvenant((int)$informationContrat->getNumeroAvenant());

        $contratParent = $informationContrat->getContratParent();

        $contrat->setContrat($contratParent);